ReutersOPEC sees more balanced oil market in 2016ReutersIn its monthly report, the Organization of the Petroleum Exporting Countries said it expected world oil demand to increase by 1.34 million barrels per day (bpd) in 2016, up from growth of 1.28 million …

Wall Street JournalOPEC-US Oil Tussle Takes Toll on NigeriaWall Street JournalLONDON—The escalating duel surrounding U.S. and OPEC oil production has ensnared Nigeria's energy sector, highlighting a challenge for the petroleum cartel ahead of its meeti …

Wall Street JournalNigerian Oil Hurt by Tussle Between OPEC and USWall Street JournalOnce a highly desired, easy-to-refine product, Nigeria's oil is now hard to sell. In 2014 it fetched more than $2 a barrel more than the global benchmark, Brent crude, …